/**
 * Created by jiachenpan on 16/11/18.
 */

 export function parseTime(time, cFormat = '{y}年{m}月{d}日 {h}:{i}') {
   if (arguments.length === 0) {
     return null
   }
   const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
   let date
   if (typeof time === 'object') {
     date = time
   } else {
     if (('' + time).length === 10) time = parseInt(time) * 1000
     date = new Date(time)
   }
   const formatObj = {
     y: date.getFullYear(),
     m: date.getMonth() + 1,
     d: date.getDate(),
     h: date.getHours(),
     i: date.getMinutes(),
     s: date.getSeconds(),
     a: date.getDay()
   }
   const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
     let value = formatObj[key]
     if (key === 'a') return ['一', '二', '三', '四', '五', '六', '日'][value - 1]
     if (result.length > 0 && value < 10) {
       value = '0' + value
     }
     return value || 0
   })
   return time_str
 }

 export function formatTime(time, option) {
   time = +time * 1000
   const d = new Date(time)
   const now = Date.now()

   const diff = (now - d) / 1000

   if (diff < 30) {
     return '刚刚'
   } else if (diff < 3600) { // less 1 hour
     return Math.ceil(diff / 60) + '分钟前'
   } else if (diff < 3600 * 24) {
     return Math.ceil(diff / 3600) + '小时前'
   } else if (diff < 3600 * 24 * 2) {
     return '1天前'
   }
   if (option) {
     return parseTime(time, option)
   } else {
     return d.getMonth() + 1 + '月' + d.getDate() + '日' + d.getHours() + '时' + d.getMinutes() + '分'
   }
 }

// 格式化时间
 export function getQueryObject(url) {
   url = url == null ? window.location.href : url
   const search = url.substring(url.lastIndexOf('?') + 1)
   const obj = {}
   const reg = /([^?&=]+)=([^?&=]*)/g
   search.replace(reg, (rs, $1, $2) => {
     const name = decodeURIComponent($1)
     let val = decodeURIComponent($2)
     val = String(val)
     obj[name] = val
     return rs
   })
   return obj
 }

/**
 *get getByteLen
 * @param {Sting} val input value
 * @returns {number} output value
 */
 export function getByteLen(val) {
   let len = 0
   for (let i = 0; i < val.length; i++) {
     if (val[i].match(/[^\x00-\xff]/ig) != null) {
       len += 1
     } else { len += 0.5 }
   }
   return Math.floor(len)
 }

 export function cleanArray(actual) {
   const newArray = []
   for (let i = 0; i < actual.length; i++) {
     if (actual[i]) {
       newArray.push(actual[i])
     }
   }
   return newArray
 }

 export function param(json) {
   if (!json) return ''
   return cleanArray(Object.keys(json).map(key => {
     if (json[key] === undefined) return ''
     return encodeURIComponent(key) + '=' +
            encodeURIComponent(json[key])
   })).join('&')
 }

 export function param2Obj(url) {
   const search = url.split('?')[1]
   if (!search) {
     return {}
   }
   return JSON.parse('{"' + decodeURIComponent(search).replace(/"/g, '\\"').replace(/&/g, '","').replace(/=/g, '":"') + '"}')
 }

 export function html2Text(val) {
   const div = document.createElement('div')
   div.innerHTML = val
   return div.textContent || div.innerText
 }

 export function objectMerge(target, source) {
    /* Merges two  objects,
     giving the last one precedence */

   if (typeof target !== 'object') {
     target = {}
   }
   if (Array.isArray(source)) {
     return source.slice()
   }
   for (const property in source) {
     if (source.hasOwnProperty(property)) {
       const sourceProperty = source[property]
       if (typeof sourceProperty === 'object') {
         target[property] = objectMerge(target[property], sourceProperty)
         continue
       }
       target[property] = sourceProperty
     }
   }
   return target
 }

 export function scrollTo(element, to, duration) {
   if (duration <= 0) return
   const difference = to - element.scrollTop
   const perTick = difference / duration * 10
   setTimeout(() => {
     console.log(new Date())
     element.scrollTop = element.scrollTop + perTick
     if (element.scrollTop === to) return
     scrollTo(element, to, duration - 10)
   }, 10)
 }

 export function toggleClass(element, className) {
   if (!element || !className) {
     return
   }
   let classString = element.className
   const nameIndex = classString.indexOf(className)
   if (nameIndex === -1) {
     classString += '' + className
   } else {
     classString = classString.substr(0, nameIndex) + classString.substr(nameIndex + className.length)
   }
   element.className = classString
 }

 export const pickerOptions = [
   {
     text: '今天',
     onClick(picker) {
       const end = new Date()
       const start = new Date(new Date().toDateString())
       end.setTime(start.getTime())
       picker.$emit('pick', [start, end])
     }
   }, {
     text: '最近一周',
     onClick(picker) {
       const end = new Date(new Date().toDateString())
       const start = new Date()
       start.setTime(end.getTime() - 3600 * 1000 * 24 * 7)
       picker.$emit('pick', [start, end])
     }
   }, {
     text: '最近一个月',
     onClick(picker) {
       const end = new Date(new Date().toDateString())
       const start = new Date()
       start.setTime(start.getTime() - 3600 * 1000 * 24 * 30)
       picker.$emit('pick', [start, end])
     }
   }, {
     text: '最近三个月',
     onClick(picker) {
       const end = new Date(new Date().toDateString())
       const start = new Date()
       start.setTime(start.getTime() - 3600 * 1000 * 24 * 90)
       picker.$emit('pick', [start, end])
     }
   }]

 export function getTime(type) {
   if (type === 'start') {
     return new Date().getTime() - 3600 * 1000 * 24 * 90
   } else {
     return new Date(new Date().toDateString())
   }
 }

 export function debounce(func, wait, immediate) {
   let timeout, args, context, timestamp, result

   const later = function() {
    // 据上一次触发时间间隔
     const last = +new Date() - timestamp

    // 上次被包装函数被调用时间间隔last小于设定时间间隔wait
     if (last < wait && last > 0) {
       timeout = setTimeout(later, wait - last)
     } else {
       timeout = null
      // 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
       if (!immediate) {
         result = func.apply(context, args)
         if (!timeout) context = args = null
       }
     }
   }

   return function(...args) {
     context = this
     timestamp = +new Date()
     const callNow = immediate && !timeout
    // 如果延时不存在，重新设定延时
     if (!timeout) timeout = setTimeout(later, wait)
     if (callNow) {
       result = func.apply(context, args)
       context = args = null
     }

     return result
   }
 }

 export function deepClone(source) {
   if (!source && typeof source !== 'object') {
     throw new Error('error arguments', 'shallowClone')
   }
   const targetObj = source.constructor === Array ? [] : {}
   for (const keys in source) {
     if (source.hasOwnProperty(keys)) {
       if (source[keys] && typeof source[keys] === 'object') {
         targetObj[keys] = source[keys].constructor === Array ? [] : {}
         targetObj[keys] = deepClone(source[keys])
       } else {
         targetObj[keys] = source[keys]
       }
     }
   }
   return targetObj
 }


 function getMoney(s, n){
  n = n > 0 && n <= 20 ? n : 2;
  s = parseFloat((s + "").replace(/[^\d\.-]/g,'')).toFixed(n) + '';
  var l = s.split(".")[0].split("").reverse(),
    r = s.split(".")[1];
  let t = '';
  for( let i = 0; i < l.length; i ++ )
  {
    t += l[i] + ((i + 1) % 3 == 0 && (i + 1) != l.length ? ',' : '');
  }
  return t.split("").reverse().join("") + "." + r;
}

export function money_format(val,n){
  if(typeof val != 'undefined'){
    const money = val/10000;
    return getMoney(money,n);
  }
}

export function num_Fixed(val){
  const n=2;
  if(typeof val != 'undefined'){
    const money = val/10000;
    const num = new Number(money);
    return num.toFixed(n);
  }
}


//画板util方法
const toString = Object.prototype.toString;
const nativeIsArray = Array.isArray;

const assert = (condition, msg) => {
  if (!condition)
    throw new Error(`assert failed, ${msg}`);
}

const isString = target => typeof target === 'string';
const isObject = obj => obj && typeof obj === 'object';
const isArray = nativeIsArray || ((obj) => toString.call(obj) === '[object Array]');
const isEmpty = obj => [Array, Object].includes((obj || {}).constructor) && !Object.keys(obj).length;
export {
  assert,
  isString,
  isObject,
  isArray,
  isEmpty
};

//密码与对话ID随机生成器
var pasArr = ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','0','1','2','3','4','5','6','7','8','9','_','-','$','%','&','@','+','!'];
export function randomString(pasLen){
  //pasLen是你想要的密码的长度
  var password = '';
  var pasArrLen = pasArr.length;
  for (var i=0; i<pasLen; i++){
    var x = Math.floor(Math.random()*pasArrLen);
    password += pasArr[x];
  }
  return password
}
